Supreme Court weakens federal gun ban for marijuana users in United States v. Hemani

The Supreme Court on Thursday unanimously narrowed the federal law used to bar unlawful drug users from possessing firearms, ruling that the government cannot apply it as a blanket ban against marijuana users.

Justice Neil Gorsuch wrote the opinion in United States v. Hemani, a case brought by a Texas defendant whose marijuana use and gun possession triggered the challenge. The ruling is a significant shift in how courts may treat firearm restrictions tied to drug use.

The law at issue, 18 U.S.C. 922(g)(3), has long prohibited gun possession by unlawful users of controlled substances. The Court did not appear to strike the statute down in full, but it rejected the idea that marijuana use alone automatically makes someone disqualified from owning a gun.

The ruling

The Court said the federal government cannot presume that every unlawful marijuana user is dangerous enough to lose Second Amendment protections. That narrows the government’s ability to use the statute as a broad, categorical ban.

At the same time, the ruling leaves room for narrower enforcement. The opinion signals that prosecutors may still be able to bring cases where there is evidence of intoxication, addiction or a specific danger that distinguishes a person from a typical marijuana user.

That distinction matters because it keeps 922(g)(3) on the books while limiting how far the government can stretch it. The Court’s approach makes clear that marijuana use alone is not enough for a one-size-fits-all firearms prohibition.

The decision also fits into the Court’s post-Bruen Second Amendment framework, which asks whether modern gun restrictions are consistent with a historical tradition of firearm regulation. Under that test, broad policy judgments are not enough on their own.

How the case developed

Hemani’s case arose from a federal prosecution in Texas involving marijuana use and firearm possession. Lower courts had limited or rejected the prosecution before the Supreme Court agreed to take up the dispute.

The justices heard argument in the case on March 2, 2026, then issued the unanimous decision on June 18, 2026. Early coverage on the day of the ruling focused on the immediate effect: the federal government can no longer treat all marijuana users as automatically barred from gun ownership.

The timing gives the ruling immediate legal significance. Marijuana remains illegal under federal law even as many states allow medical or recreational use, leaving the Court to address a statute that sits at the intersection of federal drug policy and gun regulation.

Why it matters

The decision weakens the legal theory that has supported the federal drug-user gun ban in other prosecutions, including the Hunter Biden case. That makes the ruling relevant far beyond Hemani’s individual prosecution.

It may also reshape how lower courts evaluate drug-use-based firearm restrictions under the Second Amendment. Judges will now have to look more closely at whether the government can show individualized risk rather than relying on status alone.

The ruling is especially important because it does not appear to invalidate the statute entirely. Instead, it narrows the way prosecutors can use it and preserves a path for as-applied challenges and narrower enforcement theories.

The case also drew unusual alignment between gun-rights groups and civil-liberties groups on Hemani’s side, underscoring how the justices were being asked to decide a question that cut across the usual political lines.

What happens next

The immediate question is how the Justice Department responds. Prosecutors may need to rethink charging practices under 922(g)(3), especially in cases involving intoxication, addiction or other evidence of danger.

Lower courts will also have to sort out how much room remains for future prosecutions. The opinion leaves that boundary open, which means the next round of litigation is likely to focus on the factual line between ordinary unlawful use and a case that justifies disarmament.

Advocacy groups on both sides are likely to treat the ruling as consequential. Gun-rights supporters are likely to see the decision as a limit on federal overreach, while gun-control advocates are likely to view it as another constraint on firearm regulation.

For now, the practical effect is clear: marijuana use by itself is no longer enough for a blanket federal gun ban under 922(g)(3), but the Court stopped short of saying the government has no tools left at all.